./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 1f73d82f
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23ca06a4d1d66eab783b29fc3ce31114eee62eb7d17a2452b84e2d73b8d92cfa
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-1f73d82-m
[2024-11-21 11:50:42,171 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-21 11:50:42,281 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-11-21 11:50:42,290 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-21 11:50:42,291 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-21 11:50:42,320 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-21 11:50:42,322 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-21 11:50:42,322 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-21 11:50:42,322 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-21 11:50:42,323 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-21 11:50:42,323 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-21 11:50:42,324 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-21 11:50:42,324 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-21 11:50:42,324 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-21 11:50:42,324 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-21 11:50:42,324 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-21 11:50:42,324 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-21 11:50:42,324 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-21 11:50:42,325 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-21 11:50:42,325 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-21 11:50:42,325 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-21 11:50:42,325 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-21 11:50:42,325 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-21 11:50:42,326 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-21 11:50:42,326 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-21 11:50:42,326 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-21 11:50:42,326 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-21 11:50:42,326 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-21 11:50:42,326 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-21 11:50:42,326 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-21 11:50:42,327 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-21 11:50:42,327 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-21 11:50:42,327 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-21 11:50:42,327 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-21 11:50:42,328 INFO  L153        SettingsManager]:  * Commutativity condition synthesis=SUFFICIENT
[2024-11-21 11:50:42,328 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-21 11:50:42,328 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-21 11:50:42,328 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2024-11-21 11:50:42,328 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-21 11:50:42,328 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-21 11:50:42,328 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-11-21 11:50:42,328 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-11-21 11:50:42,329 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-11-21 11:50:42,329 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23ca06a4d1d66eab783b29fc3ce31114eee62eb7d17a2452b84e2d73b8d92cfa
[2024-11-21 11:50:42,606 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-21 11:50:42,614 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-21 11:50:42,616 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-21 11:50:42,617 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-21 11:50:42,620 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-21 11:50:42,621 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c
[2024-11-21 11:50:43,937 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/88d1e8012/80207f9905c0481aa2aab26fecc4ca97/FLAGe3a0ebcfe
[2024-11-21 11:50:44,167 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-21 11:50:44,168 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c
[2024-11-21 11:50:44,176 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/88d1e8012/80207f9905c0481aa2aab26fecc4ca97/FLAGe3a0ebcfe
[2024-11-21 11:50:44,195 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/88d1e8012/80207f9905c0481aa2aab26fecc4ca97
[2024-11-21 11:50:44,197 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-21 11:50:44,198 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-21 11:50:44,199 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-21 11:50:44,199 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-21 11:50:44,205 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-21 11:50:44,206 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:50:44" (1/1) ...
[2024-11-21 11:50:44,208 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@220945f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:44, skipping insertion in model container
[2024-11-21 11:50:44,208 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:50:44" (1/1) ...
[2024-11-21 11:50:44,226 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-21 11:50:44,390 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c[2721,2734]
[2024-11-21 11:50:44,402 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-21 11:50:44,414 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-21 11:50:44,440 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c[2721,2734]
[2024-11-21 11:50:44,446 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-21 11:50:44,463 INFO  L204         MainTranslator]: Completed translation
[2024-11-21 11:50:44,464 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:44 WrapperNode
[2024-11-21 11:50:44,464 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-21 11:50:44,465 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-21 11:50:44,466 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-21 11:50:44,466 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-21 11:50:44,472 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:44" (1/1) ...
[2024-11-21 11:50:44,480 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:44" (1/1) ...
[2024-11-21 11:50:44,509 INFO  L138                Inliner]: procedures = 24, calls = 27, calls flagged for inlining = 15, calls inlined = 19, statements flattened = 187
[2024-11-21 11:50:44,512 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-21 11:50:44,513 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-21 11:50:44,513 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-21 11:50:44,513 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-21 11:50:44,520 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:44" (1/1) ...
[2024-11-21 11:50:44,520 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:44" (1/1) ...
[2024-11-21 11:50:44,527 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:44" (1/1) ...
[2024-11-21 11:50:44,528 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:44" (1/1) ...
[2024-11-21 11:50:44,540 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:44" (1/1) ...
[2024-11-21 11:50:44,541 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:44" (1/1) ...
[2024-11-21 11:50:44,548 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:44" (1/1) ...
[2024-11-21 11:50:44,549 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:44" (1/1) ...
[2024-11-21 11:50:44,550 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:44" (1/1) ...
[2024-11-21 11:50:44,552 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-21 11:50:44,553 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-21 11:50:44,553 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-21 11:50:44,553 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-21 11:50:44,554 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:44" (1/1) ...
[2024-11-21 11:50:44,559 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-21 11:50:44,571 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-21 11:50:44,584 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-21 11:50:44,587 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-21 11:50:44,609 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-21 11:50:44,609 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-11-21 11:50:44,610 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-21 11:50:44,610 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-11-21 11:50:44,610 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-21 11:50:44,610 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-21 11:50:44,610 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-11-21 11:50:44,610 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-21 11:50:44,610 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-21 11:50:44,610 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-21 11:50:44,610 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-11-21 11:50:44,611 WARN  L203             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-21 11:50:44,729 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-21 11:50:44,730 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-21 11:50:45,086 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-21 11:50:45,087 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-21 11:50:45,408 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-21 11:50:45,408 INFO  L312             CfgBuilder]: Removed 4 assume(true) statements.
[2024-11-21 11:50:45,408 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:45 BoogieIcfgContainer
[2024-11-21 11:50:45,409 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-21 11:50:45,411 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-21 11:50:45,412 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-21 11:50:45,417 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-21 11:50:45,417 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:50:44" (1/3) ...
[2024-11-21 11:50:45,418 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13eb9813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:50:45, skipping insertion in model container
[2024-11-21 11:50:45,418 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:44" (2/3) ...
[2024-11-21 11:50:45,418 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13eb9813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:50:45, skipping insertion in model container
[2024-11-21 11:50:45,418 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:45" (3/3) ...
[2024-11-21 11:50:45,419 INFO  L128   eAbstractionObserver]: Analyzing ICFG chl-chromosome-symm.wvr.c
[2024-11-21 11:50:45,435 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-21 11:50:45,437 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG chl-chromosome-symm.wvr.c that has 3 procedures, 19 locations, 1 initial locations, 4 loop locations, and 1 error locations.
[2024-11-21 11:50:45,437 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-21 11:50:45,512 INFO  L143    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-21 11:50:45,555 INFO  L125   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-21 11:50:45,556 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-11-21 11:50:45,556 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-21 11:50:45,559 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-11-21 11:50:45,560 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-11-21 11:50:45,636 INFO  L177   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-21 11:50:45,648 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-11-21 11:50:45,654 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b24ae11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-21 11:50:45,654 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-11-21 11:50:45,878 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-21 11:50:45,878 INFO  L303   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-21 11:50:45,878 INFO  L139   ounterexampleChecker]: Examining path program with hash 1273096700, occurence #1
[2024-11-21 11:50:45,878 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-21 11:50:45,878 INFO  L314   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-21 11:50:45,882 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-21 11:50:45,883 INFO  L85        PathProgramCache]: Analyzing trace with hash -774435552, now seen corresponding path program 1 times
[2024-11-21 11:50:45,889 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-21 11:50:45,892 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025814054]
[2024-11-21 11:50:45,892 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-21 11:50:45,892 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-21 11:50:46,030 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-21 11:50:46,273 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-21 11:50:46,274 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-21 11:50:46,274 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025814054]
[2024-11-21 11:50:46,275 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025814054] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-21 11:50:46,275 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-21 11:50:46,275 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-21 11:50:46,276 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59341392]
[2024-11-21 11:50:46,277 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-21 11:50:46,285 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-21 11:50:46,285 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-21 11:50:46,306 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-21 11:50:46,306 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-21 11:50:46,307 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:50:46,308 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-21 11:50:46,309 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-21 11:50:46,309 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:50:46,374 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-21 11:50:46,374 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-21 11:50:46,374 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-21 11:50:46,375 INFO  L303   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-21 11:50:46,376 INFO  L139   ounterexampleChecker]: Examining path program with hash 1273096700, occurence #2
[2024-11-21 11:50:46,376 INFO  L145   ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-21 11:50:46,376 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2
[2024-11-21 11:50:46,376 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-21 11:50:46,377 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5
[2024-11-21 11:50:46,412 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:46,412 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8
[2024-11-21 11:50:46,412 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:46,412 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14
[2024-11-21 11:50:46,412 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:46,412 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16
[2024-11-21 11:50:46,413 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-21 11:50:46,413 WARN  L214   ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-21 11:50:46,413 INFO  L314   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-21 11:50:46,413 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-21 11:50:46,415 INFO  L85        PathProgramCache]: Analyzing trace with hash -1543573584, now seen corresponding path program 1 times
[2024-11-21 11:50:46,415 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-21 11:50:46,415 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466178503]
[2024-11-21 11:50:46,415 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-21 11:50:46,415 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-21 11:50:46,473 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-21 11:50:46,668 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-21 11:50:46,669 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-21 11:50:46,670 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466178503]
[2024-11-21 11:50:46,670 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466178503] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-21 11:50:46,670 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271784064]
[2024-11-21 11:50:46,670 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-21 11:50:46,672 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-21 11:50:46,672 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-21 11:50:46,674 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-21 11:50:46,676 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-21 11:50:46,788 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-21 11:50:46,791 INFO  L256         TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-21 11:50:46,795 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-21 11:50:46,834 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-21 11:50:46,834 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-21 11:50:46,859 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-21 11:50:46,859 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271784064] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-21 11:50:46,859 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-21 11:50:46,859 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7
[2024-11-21 11:50:46,860 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781831171]
[2024-11-21 11:50:46,860 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-21 11:50:46,861 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-21 11:50:46,861 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-21 11:50:46,862 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-21 11:50:46,862 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56
[2024-11-21 11:50:46,863 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:50:46,863 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-21 11:50:46,863 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-21 11:50:46,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-21 11:50:46,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:50:46,945 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-21 11:50:46,946 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-21 11:50:46,964 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-21 11:50:47,147 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-21 11:50:47,147 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-21 11:50:47,147 INFO  L303   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-21 11:50:47,148 INFO  L139   ounterexampleChecker]: Examining path program with hash 1273096700, occurence #3
[2024-11-21 11:50:47,148 INFO  L145   ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-21 11:50:47,148 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5
[2024-11-21 11:50:47,148 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-21 11:50:47,148 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11
[2024-11-21 11:50:47,148 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:47,148 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14
[2024-11-21 11:50:47,148 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:47,148 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20
[2024-11-21 11:50:47,148 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:47,148 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22
[2024-11-21 11:50:47,148 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-21 11:50:47,148 WARN  L214   ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-21 11:50:47,148 INFO  L314   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-21 11:50:47,149 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-21 11:50:47,149 INFO  L85        PathProgramCache]: Analyzing trace with hash -2083861728, now seen corresponding path program 2 times
[2024-11-21 11:50:47,149 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-21 11:50:47,149 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566471346]
[2024-11-21 11:50:47,149 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-21 11:50:47,150 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-21 11:50:47,199 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-21 11:50:47,429 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-11-21 11:50:47,430 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-21 11:50:47,430 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566471346]
[2024-11-21 11:50:47,430 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566471346] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-21 11:50:47,430 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114644386]
[2024-11-21 11:50:47,430 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-21 11:50:47,430 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-21 11:50:47,431 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-21 11:50:47,434 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-21 11:50:47,436 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-21 11:50:47,539 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-21 11:50:47,539 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-21 11:50:47,541 INFO  L256         TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-21 11:50:47,543 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-21 11:50:47,595 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2024-11-21 11:50:47,598 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-21 11:50:47,599 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114644386] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-21 11:50:47,599 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-21 11:50:47,599 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9
[2024-11-21 11:50:47,599 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481448347]
[2024-11-21 11:50:47,599 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-21 11:50:47,599 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-21 11:50:47,599 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-21 11:50:47,600 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-21 11:50:47,600 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2024-11-21 11:50:47,600 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:50:47,600 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-21 11:50:47,600 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-21 11:50:47,600 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-21 11:50:47,600 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-11-21 11:50:47,600 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:50:47,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-21 11:50:47,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-21 11:50:47,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-21 11:50:47,696 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-21 11:50:47,879 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-21 11:50:47,880 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-21 11:50:47,880 INFO  L303   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-21 11:50:47,880 INFO  L139   ounterexampleChecker]: Examining path program with hash 1273096700, occurence #4
[2024-11-21 11:50:47,880 INFO  L145   ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-21 11:50:47,880 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5
[2024-11-21 11:50:47,880 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-21 11:50:47,880 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11
[2024-11-21 11:50:47,880 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:47,880 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14
[2024-11-21 11:50:47,880 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:47,881 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22
[2024-11-21 11:50:47,881 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:47,881 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24
[2024-11-21 11:50:47,881 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-21 11:50:47,881 WARN  L214   ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-21 11:50:47,881 INFO  L314   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-21 11:50:47,881 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-21 11:50:47,881 INFO  L85        PathProgramCache]: Analyzing trace with hash 377569245, now seen corresponding path program 1 times
[2024-11-21 11:50:47,882 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-21 11:50:47,882 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788836274]
[2024-11-21 11:50:47,882 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-21 11:50:47,882 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-21 11:50:47,922 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-21 11:50:48,104 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-11-21 11:50:48,106 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-21 11:50:48,106 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788836274]
[2024-11-21 11:50:48,106 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788836274] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-21 11:50:48,106 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924820090]
[2024-11-21 11:50:48,106 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-21 11:50:48,106 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-21 11:50:48,107 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-21 11:50:48,110 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-21 11:50:48,111 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-21 11:50:48,237 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-21 11:50:48,240 INFO  L256         TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-21 11:50:48,243 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-21 11:50:48,313 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-11-21 11:50:48,317 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-21 11:50:48,365 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-11-21 11:50:48,366 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [924820090] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-21 11:50:48,367 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-21 11:50:48,367 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12
[2024-11-21 11:50:48,367 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523559519]
[2024-11-21 11:50:48,367 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-21 11:50:48,367 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-21 11:50:48,368 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-21 11:50:48,368 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-21 11:50:48,369 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156
[2024-11-21 11:50:48,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:50:48,369 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-21 11:50:48,370 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-21 11:50:48,370 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-21 11:50:48,370 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-11-21 11:50:48,370 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-21 11:50:48,370 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:50:48,486 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-21 11:50:48,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-21 11:50:48,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-21 11:50:48,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-21 11:50:48,503 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-21 11:50:48,687 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-21 11:50:48,688 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-21 11:50:48,689 INFO  L303   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-21 11:50:48,689 INFO  L139   ounterexampleChecker]: Examining path program with hash 1273096700, occurence #5
[2024-11-21 11:50:48,689 INFO  L145   ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-21 11:50:48,689 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6
[2024-11-21 11:50:48,689 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-21 11:50:48,689 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13
[2024-11-21 11:50:48,689 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:48,689 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16
[2024-11-21 11:50:48,689 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:48,689 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24
[2024-11-21 11:50:48,689 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:48,689 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26
[2024-11-21 11:50:48,689 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-21 11:50:48,689 WARN  L214   ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-21 11:50:48,689 INFO  L314   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-21 11:50:48,690 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-21 11:50:48,690 INFO  L85        PathProgramCache]: Analyzing trace with hash -790251923, now seen corresponding path program 2 times
[2024-11-21 11:50:48,690 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-21 11:50:48,690 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188503473]
[2024-11-21 11:50:48,690 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-21 11:50:48,690 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-21 11:50:48,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-21 11:50:49,964 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-11-21 11:50:49,965 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-21 11:50:49,965 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188503473]
[2024-11-21 11:50:49,965 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188503473] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-21 11:50:49,965 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756028948]
[2024-11-21 11:50:49,965 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-21 11:50:49,965 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-21 11:50:49,965 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-21 11:50:49,968 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-21 11:50:49,970 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-21 11:50:50,104 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-21 11:50:50,104 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-21 11:50:50,107 INFO  L256         TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 33 conjuncts are in the unsatisfiable core
[2024-11-21 11:50:50,110 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-21 11:50:50,450 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-21 11:50:50,451 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 41
[2024-11-21 11:50:50,526 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-11-21 11:50:50,526 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-21 11:50:50,781 INFO  L349             Elim1Store]: treesize reduction 11, result has 85.7 percent of original size
[2024-11-21 11:50:50,782 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77
[2024-11-21 11:50:50,889 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-11-21 11:50:50,889 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [756028948] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-21 11:50:50,889 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-21 11:50:50,889 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 7] total 20
[2024-11-21 11:50:50,890 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467561159]
[2024-11-21 11:50:50,890 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-21 11:50:50,890 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2024-11-21 11:50:50,890 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-21 11:50:50,891 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2024-11-21 11:50:50,891 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380
[2024-11-21 11:50:50,891 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:50:50,891 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-21 11:50:50,891 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 20 states, 20 states have (on average 2.2) internal successors, (44), 20 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-21 11:50:50,892 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-21 11:50:50,892 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-11-21 11:50:50,892 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-21 11:50:50,892 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-11-21 11:50:50,892 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:50:51,432 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-21 11:50:51,432 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-21 11:50:51,432 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-21 11:50:51,433 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-21 11:50:51,433 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-11-21 11:50:51,450 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-21 11:50:51,637 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-21 11:50:51,638 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-21 11:50:51,638 INFO  L303   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-21 11:50:51,638 INFO  L139   ounterexampleChecker]: Examining path program with hash 1273096700, occurence #6
[2024-11-21 11:50:51,638 INFO  L145   ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-21 11:50:51,638 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6
[2024-11-21 11:50:51,638 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-21 11:50:51,638 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13
[2024-11-21 11:50:51,638 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:51,638 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16
[2024-11-21 11:50:51,639 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:51,639 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26
[2024-11-21 11:50:51,639 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:51,639 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28
[2024-11-21 11:50:51,639 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-21 11:50:51,639 WARN  L214   ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-21 11:50:51,639 INFO  L314   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-21 11:50:51,639 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-21 11:50:51,639 INFO  L85        PathProgramCache]: Analyzing trace with hash -2003923990, now seen corresponding path program 3 times
[2024-11-21 11:50:51,639 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-21 11:50:51,639 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220838125]
[2024-11-21 11:50:51,639 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-21 11:50:51,639 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-21 11:50:51,742 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-21 11:50:53,166 INFO  L134       CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-21 11:50:53,166 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-21 11:50:53,166 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220838125]
[2024-11-21 11:50:53,166 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220838125] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-21 11:50:53,166 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547893506]
[2024-11-21 11:50:53,166 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-21 11:50:53,166 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-21 11:50:53,166 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-21 11:50:53,169 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-21 11:50:53,172 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-21 11:50:53,322 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-11-21 11:50:53,322 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-21 11:50:53,325 INFO  L256         TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 41 conjuncts are in the unsatisfiable core
[2024-11-21 11:50:53,329 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-21 11:50:53,685 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-21 11:50:53,686 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 41
[2024-11-21 11:50:53,750 INFO  L134       CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2024-11-21 11:50:53,750 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-21 11:50:53,943 INFO  L349             Elim1Store]: treesize reduction 11, result has 85.7 percent of original size
[2024-11-21 11:50:53,944 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77
[2024-11-21 11:50:54,149 INFO  L134       CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-11-21 11:50:54,149 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [547893506] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-21 11:50:54,149 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-21 11:50:54,149 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 9] total 32
[2024-11-21 11:50:54,149 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873189891]
[2024-11-21 11:50:54,149 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-21 11:50:54,150 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 32 states
[2024-11-21 11:50:54,150 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-21 11:50:54,150 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants.
[2024-11-21 11:50:54,151 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=866, Unknown=0, NotChecked=0, Total=992
[2024-11-21 11:50:54,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:50:54,153 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-21 11:50:54,154 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 32 states, 32 states have (on average 1.8125) internal successors, (58), 32 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-21 11:50:54,154 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-21 11:50:54,154 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-11-21 11:50:54,154 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-21 11:50:54,154 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-11-21 11:50:54,154 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2024-11-21 11:50:54,154 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:50:55,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-21 11:50:55,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-21 11:50:55,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-21 11:50:55,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-21 11:50:55,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-11-21 11:50:55,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2024-11-21 11:50:55,505 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-11-21 11:50:55,689 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-11-21 11:50:55,689 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-21 11:50:55,689 INFO  L303   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-21 11:50:55,689 INFO  L139   ounterexampleChecker]: Examining path program with hash 1273096700, occurence #7
[2024-11-21 11:50:55,689 INFO  L145   ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-21 11:50:55,689 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6
[2024-11-21 11:50:55,689 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-21 11:50:55,689 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13
[2024-11-21 11:50:55,690 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:55,690 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16
[2024-11-21 11:50:55,690 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:55,690 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32
[2024-11-21 11:50:55,690 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:50:55,690 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34
[2024-11-21 11:50:55,690 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-21 11:50:55,690 WARN  L214   ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-21 11:50:55,690 INFO  L314   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-21 11:50:55,690 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-21 11:50:55,690 INFO  L85        PathProgramCache]: Analyzing trace with hash 449824993, now seen corresponding path program 4 times
[2024-11-21 11:50:55,691 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-21 11:50:55,691 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479090343]
[2024-11-21 11:50:55,691 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-21 11:50:55,691 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-21 11:50:55,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-21 11:50:55,877 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-11-21 11:50:55,877 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-21 11:50:55,877 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479090343]
[2024-11-21 11:50:55,877 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479090343] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-21 11:50:55,877 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344218443]
[2024-11-21 11:50:55,877 INFO  L95    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-21 11:50:55,877 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-21 11:50:55,877 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-21 11:50:55,881 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-21 11:50:55,883 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-21 11:50:56,018 INFO  L229   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-21 11:50:56,018 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-21 11:50:56,021 INFO  L256         TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-21 11:50:56,023 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-21 11:50:56,053 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-11-21 11:50:56,053 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-21 11:50:56,053 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [344218443] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-21 11:50:56,053 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-21 11:50:56,053 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9
[2024-11-21 11:50:56,053 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742675223]
[2024-11-21 11:50:56,053 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-21 11:50:56,054 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-21 11:50:56,054 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-21 11:50:56,054 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-21 11:50:56,054 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72
[2024-11-21 11:50:56,054 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:50:56,054 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-21 11:50:56,054 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-21 11:50:56,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-21 11:50:56,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-11-21 11:50:56,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-21 11:50:56,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-11-21 11:50:56,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2024-11-21 11:50:56,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2024-11-21 11:50:56,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:50:56,149 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-21 11:50:56,149 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-21 11:50:56,149 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-21 11:50:56,149 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-21 11:50:56,149 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-11-21 11:50:56,149 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2024-11-21 11:50:56,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-21 11:50:56,167 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-11-21 11:50:56,350 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-21 11:50:56,350 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-21 11:50:56,350 INFO  L303   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-21 11:50:56,351 INFO  L139   ounterexampleChecker]: Examining path program with hash -1811878295, occurence #1
[2024-11-21 11:50:56,351 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-21 11:50:56,351 INFO  L314   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-21 11:50:56,351 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-21 11:50:56,351 INFO  L85        PathProgramCache]: Analyzing trace with hash 463488800, now seen corresponding path program 5 times
[2024-11-21 11:50:56,351 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-21 11:50:56,351 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613882211]
[2024-11-21 11:50:56,351 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-21 11:50:56,351 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-21 11:50:56,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-21 11:50:58,184 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-21 11:50:58,184 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-21 11:50:58,185 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613882211]
[2024-11-21 11:50:58,185 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613882211] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-21 11:50:58,185 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144638117]
[2024-11-21 11:50:58,185 INFO  L95    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-21 11:50:58,185 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-21 11:50:58,185 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-21 11:50:58,187 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-21 11:50:58,189 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-21 11:50:58,715 INFO  L229   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s)
[2024-11-21 11:50:58,716 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-21 11:50:58,720 INFO  L256         TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 62 conjuncts are in the unsatisfiable core
[2024-11-21 11:50:58,723 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-21 11:50:59,219 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-21 11:50:59,220 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 23
[2024-11-21 11:50:59,326 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2024-11-21 11:50:59,326 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-21 11:50:59,720 INFO  L349             Elim1Store]: treesize reduction 28, result has 63.6 percent of original size
[2024-11-21 11:50:59,720 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 211 treesize of output 115
[2024-11-21 11:50:59,943 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked.
[2024-11-21 11:50:59,943 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [144638117] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-21 11:50:59,943 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-21 11:50:59,943 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21, 11] total 46
[2024-11-21 11:50:59,943 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828382765]
[2024-11-21 11:50:59,943 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-21 11:50:59,944 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 46 states
[2024-11-21 11:50:59,944 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-21 11:50:59,944 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants.
[2024-11-21 11:50:59,945 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=1874, Unknown=0, NotChecked=0, Total=2070
[2024-11-21 11:50:59,945 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:50:59,945 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-21 11:50:59,946 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 46 states, 46 states have (on average 1.6956521739130435) internal successors, (78), 46 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-21 11:50:59,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-21 11:50:59,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-11-21 11:50:59,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-21 11:50:59,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-11-21 11:50:59,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2024-11-21 11:50:59,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2024-11-21 11:50:59,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-11-21 11:50:59,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:51:01,890 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-21 11:51:01,890 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-21 11:51:01,890 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-21 11:51:01,890 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-21 11:51:01,890 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-11-21 11:51:01,890 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2024-11-21 11:51:01,890 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-21 11:51:01,891 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2024-11-21 11:51:01,909 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-21 11:51:02,094 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-21 11:51:02,095 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-21 11:51:02,095 INFO  L303   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-21 11:51:02,095 INFO  L139   ounterexampleChecker]: Examining path program with hash -1811878295, occurence #2
[2024-11-21 11:51:02,095 INFO  L145   ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-21 11:51:02,095 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6
[2024-11-21 11:51:02,095 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-21 11:51:02,095 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13
[2024-11-21 11:51:02,095 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:51:02,095 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16
[2024-11-21 11:51:02,095 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:51:02,095 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33
[2024-11-21 11:51:02,095 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-21 11:51:02,095 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34
[2024-11-21 11:51:02,095 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-21 11:51:02,095 WARN  L214   ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-21 11:51:02,095 INFO  L314   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-21 11:51:02,096 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-21 11:51:02,096 INFO  L85        PathProgramCache]: Analyzing trace with hash 1482172516, now seen corresponding path program 6 times
[2024-11-21 11:51:02,096 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-21 11:51:02,096 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784550662]
[2024-11-21 11:51:02,096 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-21 11:51:02,096 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-21 11:51:02,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-21 11:51:02,250 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-11-21 11:51:02,251 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-21 11:51:02,251 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784550662]
[2024-11-21 11:51:02,251 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784550662] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-21 11:51:02,251 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505081366]
[2024-11-21 11:51:02,251 INFO  L95    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-11-21 11:51:02,251 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-21 11:51:02,251 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-21 11:51:02,253 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-21 11:51:02,255 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-21 11:51:02,457 INFO  L229   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s)
[2024-11-21 11:51:02,457 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-21 11:51:02,460 INFO  L256         TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-21 11:51:02,462 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-21 11:51:02,488 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-11-21 11:51:02,489 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-21 11:51:02,489 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [505081366] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-21 11:51:02,489 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-21 11:51:02,490 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9
[2024-11-21 11:51:02,490 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691518818]
[2024-11-21 11:51:02,490 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-21 11:51:02,490 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-21 11:51:02,490 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-21 11:51:02,490 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-21 11:51:02,491 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72
[2024-11-21 11:51:02,491 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:51:02,491 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-21 11:51:02,491 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-21 11:51:02,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-21 11:51:02,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-11-21 11:51:02,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-21 11:51:02,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-11-21 11:51:02,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2024-11-21 11:51:02,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2024-11-21 11:51:02,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-11-21 11:51:02,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2024-11-21 11:51:02,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-21 11:51:03,086 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-21 11:51:03,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-21 11:51:03,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-21 11:51:03,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-21 11:51:03,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-11-21 11:51:03,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2024-11-21 11:51:03,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-21 11:51:03,088 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2024-11-21 11:51:03,088 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-21 11:51:03,090 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2024-11-21 11:51:03,090 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2024-11-21 11:51:03,090 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2024-11-21 11:51:03,107 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-11-21 11:51:03,290 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-21 11:51:03,294 INFO  L422         BasicCegarLoop]: Path program histogram: [6, 2, 1]
[2024-11-21 11:51:03,296 INFO  L241   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-21 11:51:03,296 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-21 11:51:03,310 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-11-21 11:51:03,311 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 11:51:03 BasicIcfg
[2024-11-21 11:51:03,311 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-21 11:51:03,311 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-21 11:51:03,311 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-21 11:51:03,311 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-21 11:51:03,312 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:45" (3/4) ...
[2024-11-21 11:51:03,314 INFO  L146         WitnessPrinter]: Generating witness for correct program
[2024-11-21 11:51:03,316 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-11-21 11:51:03,316 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-11-21 11:51:03,323 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges
[2024-11-21 11:51:03,324 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges
[2024-11-21 11:51:03,324 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2024-11-21 11:51:03,324 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-21 11:51:03,392 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml
[2024-11-21 11:51:03,392 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml
[2024-11-21 11:51:03,392 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-21 11:51:03,393 INFO  L158              Benchmark]: Toolchain (without parser) took 19194.86ms. Allocated memory was 83.9MB in the beginning and 318.8MB in the end (delta: 234.9MB). Free memory was 60.8MB in the beginning and 131.6MB in the end (delta: -70.8MB). Peak memory consumption was 164.0MB. Max. memory is 16.1GB.
[2024-11-21 11:51:03,394 INFO  L158              Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-21 11:51:03,394 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 265.77ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 48.4MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-21 11:51:03,394 INFO  L158              Benchmark]: Boogie Procedure Inliner took 46.67ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 46.3MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-21 11:51:03,394 INFO  L158              Benchmark]: Boogie Preprocessor took 39.55ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 45.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-21 11:51:03,395 INFO  L158              Benchmark]: RCFGBuilder took 856.34ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 23.1MB in the end (delta: 21.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB.
[2024-11-21 11:51:03,395 INFO  L158              Benchmark]: TraceAbstraction took 17899.25ms. Allocated memory was 83.9MB in the beginning and 318.8MB in the end (delta: 234.9MB). Free memory was 22.5MB in the beginning and 136.0MB in the end (delta: -113.5MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB.
[2024-11-21 11:51:03,395 INFO  L158              Benchmark]: Witness Printer took 81.14ms. Allocated memory is still 318.8MB. Free memory was 136.0MB in the beginning and 131.6MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-21 11:51:03,396 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 265.77ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 48.4MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 46.67ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 46.3MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 39.55ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 45.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 856.34ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 23.1MB in the end (delta: 21.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB.
 * TraceAbstraction took 17899.25ms. Allocated memory was 83.9MB in the beginning and 318.8MB in the end (delta: 234.9MB). Free memory was 22.5MB in the beginning and 136.0MB in the end (delta: -113.5MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB.
 * Witness Printer took 81.14ms. Allocated memory is still 318.8MB. Free memory was 136.0MB in the beginning and 131.6MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Partial order reduction statistics
    Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 926, independent: 691, independent conditional: 592, independent unconditional: 99, dependent: 235, dependent conditional: 233, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 693, independent: 691, independent conditional: 592, independent unconditional: 99, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 693, independent: 691, independent conditional: 592, independent unconditional: 99, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 693, independent: 691, independent conditional: 592, independent unconditional: 99, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 693, independent: 691, independent conditional: 0, independent unconditional: 691, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 693, independent: 691, independent conditional: 0, independent unconditional: 691, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 103, independent: 101, independent conditional: 0, independent unconditional: 101, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 103, independent: 99, independent conditional: 0, independent unconditional: 99, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 111, dependent conditional: 0, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 693, independent: 590, independent conditional: 0, independent unconditional: 590, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 103, unknown conditional: 0, unknown unconditional: 103] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 101, Positive conditional cache size: 0, Positive unconditional cache size: 101, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 592, Maximal queried relation: 0, Independence queries for same thread: 233, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 29, Number of trivial persistent sets: 23, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 101, independent: 99, independent conditional: 0, independent unconditional: 99, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 926, independent: 691, independent conditional: 592, independent unconditional: 99, dependent: 235, dependent conditional: 233, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 693, independent: 691, independent conditional: 592, independent unconditional: 99, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 693, independent: 691, independent conditional: 592, independent unconditional: 99, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 693, independent: 691, independent conditional: 592, independent unconditional: 99, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 693, independent: 691, independent conditional: 0, independent unconditional: 691, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 693, independent: 691, independent conditional: 0, independent unconditional: 691, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 103, independent: 101, independent conditional: 0, independent unconditional: 101, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 103, independent: 99, independent conditional: 0, independent unconditional: 99, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 111, dependent conditional: 0, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 693, independent: 590, independent conditional: 0, independent unconditional: 590, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 103, unknown conditional: 0, unknown unconditional: 103] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 101, Positive conditional cache size: 0, Positive unconditional cache size: 101, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 592, Maximal queried relation: 0, Independence queries for same thread: 233
  - PositiveResult [Line: 93]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 5 procedures, 27 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 17.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 5.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 482 NumberOfCodeBlocks, 472 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 597 ConstructedInterpolants, 0 QuantifiedInterpolants, 3086 SizeOfPredicates, 51 NumberOfNonLiveVariables, 2589 ConjunctsInSsa, 168 ConjunctsInUnsatCore, 22 InterpolantComputations, 4 PerfectInterpolantSequences, 528/713 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 34, ConditionCalculationTime [ms]: 0, ConditionCalculations: 14, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-21 11:51:03,423 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE